package com.lqq.designPattern.structural_pattern.bridge;

//抽象的操作系统类（抽象化角色）
public abstract class OperatingSystem {
    //声明videoFile变量
    protected VideoFile videoFile;

    public OperatingSystem(VideoFile videoFile) {
        this.videoFile = videoFile;
    }

    public abstract void play(String fileName);
}
